Meibomian Gland Dysfunction (MGD) & Blepharitis Meibomian glands are oil glands which run along your top and bottom eyelids to secrete oil into your tear film. We need oil in our tear film to make it stable, prevent evaporation, protect against bacteria and environmental factors, prevent overflow of tears, create a smooth refractive surface and much more. When these … Continue reading Meibomian Gland Dysfunction (MGD) & Blepharitis